Added ShowFileOverwriteDialog (closed yasirkula#62)

Major speed optimizations for exploring very large folders on Android…

… 11+ (Storage Access Framework) (closes yasirkula#67)

Fixed ClassNotFound exception on Android

Bugfix for Denied permission on Android 11 and later

Added timeout for Directory.Exists on Windows because it can stall th…

…e main thread for 15-30 seconds for unreachable network drives if no timeout is defined

On Android 10+, when Storage Access Framework is used, paths that can…

… be accessed via System.IO (like persistentDataPath) can still be browsed using System.IO and added as quick links

Avoiding a native exception which will likely never occur but better …

…safe than sorry

- Added skins! Create new skins via "yasirkula-SimpleFileBrowser-UI S…

…kin"

- Added CC0-licensed file icons for common file types
- Files can now have alternating background colors
- File browser remembers the most recently browsed folder even if the application is restarted

Filename input field isn't cleared while switching folders in file se…

…lection mode

SD cards weren't listed on some Android devices, attempted to fix it